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AWS Principal Network Engineer

Job in Denver, Denver County, Colorado, 80285, USA
Listing for: iSoftTek Solutions Inc
Full Time position
Listed on 2025-12-18
Job specializations:
  • IT/Tech
    Network Engineer, Cybersecurity
Salary/Wage Range or Industry Benchmark: 90000 - 150000 USD Yearly USD 90000.00 150000.00 YEAR
Job Description & How to Apply Below

Must have:

  • Cisco Certified Network Professional (CCNP) certification required.
  • AWS Certified Advanced Network required.
  • Role: AWS Principal Network Engineer

    Work Location: Denver, CO (Onsite role from day-1)

    Duration: 06 months

    Yrs of experience: 10

    Job description:

  • Bachelor’s degree in computer science or related field
  • Proven experience in designing, implementing, and managing AWS network environments.
  • 5+ years managing LAN/WAN networks (2+ years working as a Network Engineer)
  • Thorough knowledge and experience with Cisco network devices, including but not limited to: 7200 / 2901 Routers, PIX 515 / ASA 5510 Firewalls, 2900 / 3500 / 3560 switches, CSS 11500, AP 1200 / 1142, ACS 1121
  • Advanced level understanding of protocols such as TCP/IP, UDP, SNMP, etc.
  • Working knowledge of internet services such as DNS, RADIUS, and LDAP.
  • Design, configuration and troubleshooting experience:
  • Routing:
    Virtual interfaces, BGP, OSPF, MPLS, EIGRP, RIP, P , QoS, Static Routing, Unsymmetrical Routing, Router NAT, HSRP/VRRP, ACL’s, NTP, SNMP, Password Recovery
  • Switching: VLAN, VLAN Bleed, 802.1D, 802.1Q, 802.1X, VTP, Multilayer switching/routing, Multicasting
  • Firewalls:
    Interface priority, public vs Private IP space, Conduits/ACLs, Cryptography, Firewall NAT (static & dynamic), Hot Failover, Common TCP/UDP Ports, IPSEC, VPN, Policy Maps, Logging, Routing
  • Load Balancing:
    Routing, VIPs, Service Interfaces, Certificate Intercept, Owner Mapping, Load Balancing Algorithms, Content Grouping
  • Analytical and detail-oriented, with the ability to plan, organize and prioritize work to meet target project dates.
  • Independent-thinker and self-starter, who can work well within a team environment.
  • Communicates clearly and in an understandable manner with a wide range of people such as managers, customers, vendors, and the general public.
  • Demonstrated ability to effectively advise and counsel both managers and non-supervisory employees on sensitive work-related issues.
  • Demonstrated analytical and problem-solving skills, and the ability to organize and prioritize several projects and tasks at one time.
  • We are seeking a highly skilled and experienced professional in both On-premise and AWS Cloud Network to join our dynamic team.
  • Design, configure, and optimize AWS networking components, such as VPCs, subnets, route tables, and security groups.
  • Implement security best practices and compliance standards within the AWS network infrastructure.
  • Configure and manage network security groups, network ACLs, and other security features to protect sensitive data and resources.
  • Develop and maintain automation scripts and templates for network provisioning, configuration, and scaling using AWS Cloud Formation or other infrastructure as code (IAC) tools.
  • Maintain comprehensive documentation of network configurations, diagrams, and standard operating procedures (SOPs) to ensure efficient knowledge sharing and compliance.
  • Optimize network resources to control costs while maintaining performance and scalability.
  • Identify opportunities for cost savings in network architecture and usage.
  • Monitor network usage trends and plan for capacity expansion or optimization based on business requirements.
  • Monitor and optimize network performance, ensuring low latency, high availability, and fault tolerance.
  • Implement AWS services like Amazon Cloud Front, Elastic Load Balancing (ELB), and Amazon Route 53 for optimal traffic distribution.
  • Design, configure and monitor network equipment, network usage, and systems availability.
  • Support and troubleshoot various IP technologies, including but not limited to:
    Network connectivity, IP addressing, Routing Protocols (BGP, OSPF), HSRP, VPNs, IPSec, Load balancing, QoS, SNMP and 802.11x.
  • Provide configuration and troubleshooting support for Ethernet Switches, Routers, Load-Balancers, VPN Concentrators, Firewalls, and networked servers.
  • Provide network management support as needed for event identification, event correlation, event escalation, and event triage as related to network infrastructure.
  • Certifications: Cisco Certified Network Professional (CCNP), AWS Certified Advanced Network, Firewall, Load Balancing, Routing, Switching

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